Reliable 4000IS 4000IS Professional Iron System with Aluminum .

Best Herb Grinder Reviews - March 2017 - Mega Guide

Pro Grinder . The Sharpstone pot grinder also comes with a Cali Crusher Press which will allow you to compress your kief into little hash discs to make them easier to use. . The best herb grinders are made of metal, specifically aluminium.

Best 420 Grinders | The Authority on Herb Grinders

Chromium Crusher (check pricing on Amazon). $. 4.2 Stars (4.2 / 5) ... It whole grinder is made of aluminum just like the other top grinders. The magnetic lids.